This assets is vital in many optical programs, mainly because it permits the manipulation and Charge of mild in methods that will not be probable with linear optical supplies.
The selection with the most suitable crystal product for your presented application is commonly far from trivial; it need to involve the thought of many features. As an example, a superior nonlinearity for frequency conversion of ultrashort pulses doesn't help In case the conversation length is strongly confined by a sizable team velocity mismatch and the reduced damage threshold boundaries the applicable optical intensities.
These properties make BBO crystals very appealing in numerous purposes, from laser frequency conversion to electro-optic modulation. Their extensive transparency range allows them to operate using a broad range of laser wavelengths, while their substantial problems threshold assures they are able to cope with large-electricity laser beams with out degradation.
From the huge globe of nonlinear optical crystals, BBO crystals get noticed as pioneers, specifically in the realm of 266nm technology.
High-high quality crystals will have much less defects and deliver improved effectiveness, although a highly regarded provider will stand driving their products and offer you assist when wanted. Great customer support also can make the paying for method smoother and much more pleasurable.
Various factors can have an impact on the general performance of BBO crystals. These consist of temperature, humidity, and the standard of the incident light. Right dealing with and storage can assist keep the crystal’s effectiveness. Temperature can impact the period-matching conditions of BBO crystals, which consequently impacts their performance in frequency conversion apps.
Filters down below or the form at the bottom can be employed to assist product or service look for or make further more inquiries.
As well as their use in laser frequency conversion, BBO crystals have found applications in electro-optic modulation and quantum optics experiments.
Bodily, when the basic spectrum is perfectly inside the reference pulse spectrum, the SHG pulse intensity profile is definitely the sq. of the elemental depth profile, properly truncating read more the length. This scenario is illustrated in Determine 20.
It is often important to target the incident gentle while in the crystal for SHG programs, considering that successful technology of next harmonic mild needs large peak intensities, including 109 W/cm2. When making use of femtosecond pulses with reasonable energies within the nanojoule assortment, acquiring the necessary peak intensities can need compact focal places.
In addition, the structural and compositional attributes of BBO supply it with exceptional thermal balance and resistance in opposition to environmental troubles.
BBO nonlinear crystal is actually a negative uniaxial crystal. It provides section matching for a variety of second-buy interactions Practically more than its full transparency selection. This transparency ranges from 185 nm to three.3 µm, as inferred from transmittance measurements working with crystal samples of a few mm thickness.
When an enter pulse's spectral range is equal to or narrower compared to reference pulse, the generated second harmonic pulse includes a length which is shorter by a factor of 1/√2 along with a spectral width that is certainly broader by a factor of √2.
When picking a provider, think about components such as the supplier’s practical experience, solution excellent, customer care, and pricing. It’s also a smart idea to request a sample or a check report to confirm the standard of the crystals before you make a purchase.